[root@aliyun ~]# jps
1476 WrapperSimpleApp
27788 halo-latest.jar
25245 Jps
[root@aliyun ~]#
[root@aliyun ~]#** jmap -heap 27788**
Attaching to process ID 27788, please wait…
Debugger attached successfully.
Server compiler detected.
JVM version is 25.181-b13
using thread-local object allocation.
Mark Sweep Compact GC
Heap Configuration:
MinHeapFreeRatio = 40
MaxHeapFreeRatio = 70
MaxHeapSize = 268435456 (256.0MB)
NewSize = 89456640 (85.3125MB)
MaxNewSize = 89456640 (85.3125MB)
OldSize = 178978816 (170.6875MB)
NewRatio = 2
SurvivorRatio = 8
MetaspaceSize = 21807104 (20.796875MB)
CompressedClassSpaceSize = 1073741824 (1024.0MB)
MaxMetaspaceSize = 17592186044415 MB
G1HeapRegionSize = 0 (0.0MB)
Heap Usage:
New Generation (Eden + 1 Survivor Space):
capacity = 80543744 (76.8125MB)
used = 43017784 (41.02495574951172MB)
free = 37525960 (35.78754425048828MB)
53.40921822556448% used
Eden Space:
capacity = 71630848 (68.3125MB)
used = 38657384 (36.866554260253906MB)
free = 32973464 (31.445945739746094MB)
53.967508523701966% used
From Space:
capacity = 8912896 (8.5MB)
used = 4360400 (4.1584014892578125MB)
free = 4552496 (4.3415985107421875MB)
48.922370461856616% used
To Space:
capacity = 8912896 (8.5MB)
used = 0 (0.0MB)
free = 8912896 (8.5MB)
0.0% used
tenured generation:
capacity = 178978816 (170.6875MB)
used = 48757456 (46.49873352050781MB)
free = 130221360 (124.18876647949219MB)
27.242026229517577% used
32843 interned Strings occupying 3294488 bytes.
